==========================================================================
Ubuntu Security Notice USN-6782-1
May 22, 2024

thunderbird vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Thunderbird.

Software Description:
- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code. (CVE-2024-4767, CVE-2024-4768,
CVE-2024-4769, CVE-2024-4777)

Thomas Rinsma discovered that Thunderbird did not properly handle type check
when handling fonts in PDF.js. An attacker could potentially exploit this
issue to execute arbitrary javascript code in PDF.js. (CVE-2024-4367)

Irvan Kurniawan discovered that Thunderbird did not properly handle certain
font styles when saving a page to PDF. An attacker could potentially
exploit this issue to cause a denial of service. (CVE-2024-4770)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10
  thunderbird                     1:115.11.0+build2-0ubuntu0.23.10.1

Ubuntu 22.04 LTS
  thunderbird                     1:115.11.0+build2-0ubuntu0.22.04.1

Ubuntu 20.04 LTS
  thunderbird                     1:115.11.0+build2-0ubuntu0.20.04.1

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-6782-1
  CVE-2024-4367, CVE-2024-4767, CVE-2024-4768, CVE-2024-4769,
  CVE-2024-4770, CVE-2024-4777

Package Information:
  https://launchpad.net/ubuntu/+source/thunderbird/1:115.11.0+build2-0ubuntu0.23.10.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:115.11.0+build2-0ubuntu0.22.04.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:115.11.0+build2-0ubuntu0.20.04.1

Ubuntu 6782-1: Thunderbird Security Advisory Updates

May 22, 2024
Several security issues were fixed in Thunderbird.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in Thunderbird. Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client Details: Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code. (CVE-2024-4767, CVE-2024-4768, CVE-2024-4769, CVE-2024-4777) Thomas Rinsma discovered that Thunderbird did not properly handle type check when handling fonts in PDF.js. An attacker could potentially exploit this issue to execute arbitrary javascript code in PDF.js. (CVE-2024-4367) Irvan Kurniawan discovered that Thunderbird did not properly handle certain font styles when saving a page to PDF. An attacker could potentially exploit this issue to cause a denial of service. (CVE-2024-4770)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10 thunderbird 1:115.11.0+build2-0ubuntu0.23.10.1 Ubuntu 22.04 LTS thunderbird 1:115.11.0+build2-0ubuntu0.22.04.1 Ubuntu 20.04 LTS thunderbird 1:115.11.0+build2-0ubuntu0.20.04.1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6782-1

CVE-2024-4367, CVE-2024-4767, CVE-2024-4768, CVE-2024-4769,

CVE-2024-4770, CVE-2024-4777

Severity
Ubuntu Security Notice USN-6782-1

Package Information

https://launchpad.net/ubuntu/+source/thunderbird/1:115.11.0+build2-0ubuntu0.23.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:115.11.0+build2-0ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:115.11.0+build2-0ubuntu0.20.04.1

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